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Palacios-García J, Porras-González C, Moreno-Luna R, Maza-Solano J, Polo-Padillo J, Muñoz-Bravo JL, Sánchez-Gómez S. Role of Fibroblasts in Chronic Inflammatory Signalling in Chronic Rhinosinusitis with Nasal Polyps-A Systematic Review. J Clin Med 2023; 12:jcm12093280. [PMID: 37176721 PMCID: PMC10179235 DOI: 10.3390/jcm12093280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/26/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023] Open
Abstract
Chronic rhinosinusitis with nasal polyps (CRSwNP) is an inflammatory disease of the nose and paranasal sinuses characterized by the presence of nasal polyps. The symptoms produced by the presence of nasal polyps such as nasal obstruction, nasal discharge, facial pain, headache, and loss of smell cause a worsening in the quality of life of patients. The source of the nasal polyps remains unclear, although it seems to be due to a chronic inflammation process in the sinonasal mucosa. Fibroblasts, the main cells in connective tissue, are intimately involved in the inflammation processes of various diseases; to this end, we carried out a systematic review to evaluate their inflammatory role in nasal polyps. Thus, we evaluated the main cytokines produced by nasal polyp-derived fibroblasts (NPDF) to assess their involvement in the production of nasal polyps and their involvement in different inflammatory pathways. The results of the review highlight the inflammatory role of NPDF through the secretion of various cytokines involved in the T1, T2, and T3 inflammatory pathways, as well as the ability of NPDF to be stimulated by a multitude of substances. With these findings, the fibroblast is positioned as a new potential therapeutic target in the treatment of CRSwNP.
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Affiliation(s)
- José Palacios-García
- Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital Virgen Macarena, Doctor Fedriani 3, 41009 Seville, Spain
| | - Cristina Porras-González
- Institute of Biomedicine of Seville (IBiS), Campus Hospital Universitario Virgen del Rocío, Avda. Manuel Siurot s/n, 41013 Sevilla, Spain
- Department of Medical Biochemistry, Molecular Biology and Immunology, School of Medicine, Virgen Macarena University Hospital, University of Seville, Doctor Fedriani 3, 41009 Seville, Spain
| | - Ramón Moreno-Luna
- Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital Virgen Macarena, Doctor Fedriani 3, 41009 Seville, Spain
- Institute of Biomedicine of Seville (IBiS), Campus Hospital Universitario Virgen del Rocío, Avda. Manuel Siurot s/n, 41013 Sevilla, Spain
| | - Juan Maza-Solano
- Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital Virgen Macarena, Doctor Fedriani 3, 41009 Seville, Spain
- Institute of Biomedicine of Seville (IBiS), Campus Hospital Universitario Virgen del Rocío, Avda. Manuel Siurot s/n, 41013 Sevilla, Spain
| | - Juan Polo-Padillo
- Department of Preventive Medicine and Public Health, University Hospital Virgen Macarena, Doctor Fedriani 3, 41009 Seville, Spain
| | - José Luis Muñoz-Bravo
- Clinical Analysis Service, General University Hospital of Elche, Foundation for the Promotion of Health and Biomedical Research in the Valencia Region (FISABIO), Av. De Catalunya 21, 46020 Valencia, Spain
| | - Serafín Sánchez-Gómez
- Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital Virgen Macarena, Doctor Fedriani 3, 41009 Seville, Spain
- Institute of Biomedicine of Seville (IBiS), Campus Hospital Universitario Virgen del Rocío, Avda. Manuel Siurot s/n, 41013 Sevilla, Spain
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Wu X, Zhao Y, Gu Y, Li K, Wang X, Zhang J. Interferon-Lambda 1 Inhibits Staphylococcus aureus Colonization in Human Primary Keratinocytes. Front Pharmacol 2021; 12:652302. [PMID: 33828484 PMCID: PMC8019897 DOI: 10.3389/fphar.2021.652302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/10/2021] [Indexed: 11/13/2022] Open
Abstract
Atopic dermatitis (AD) is a common inflammatory skin disease. Staphylococcus aureus (S. aureus) colonization in skin lesions occurs in approximately 70% of AD patients. It has been found that IFN-λ1 can inhibit the colonization of S. aureus in normal human nasal mucosa. IFN-λ1 can increase IL-28RA in infected human keratinocytes. In this study, we found that IFN-λ1 can increase mRNA expression of FLG and antimicrobial peptides (AMPs) and inhibit TSLP mRNA expression in infected human keratinocytes. IFN-λ1 can increase intracellular ROS level, decrease STAT1 phosphorylation, and inhibit the colonization of S. aureus in human primary keratinocytes. These effects were attenuated by knocking-down IL-28R and NADPH oxidase inhibitor, suggesting that this function was mediated by JAK-STAT1 signaling pathway. These results suggest that IFN-λ1 might have an inhibitory effect on S. aureus colonization in AD lesions. Our findings might have potential value in the treatment for AD.
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Affiliation(s)
- Xia Wu
- Department of Dermatology, Peking University People's Hospital, Beijing, China
| | - Yan Zhao
- Department of Dermatology, Peking University People's Hospital, Beijing, China
| | - Ying Gu
- Department of Dermatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Kun Li
- Department of Dermatology, Peking University People's Hospital, Beijing, China
| | - Xiaojie Wang
- Department of Dermatology, Peking University People's Hospital, Beijing, China
| | - Jianzhong Zhang
- Department of Dermatology, Peking University People's Hospital, Beijing, China
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Orlandi RR, Kingdom TT, Smith TL, Bleier B, DeConde A, Luong AU, Poetker DM, Soler Z, Welch KC, Wise SK, Adappa N, Alt JA, Anselmo-Lima WT, Bachert C, Baroody FM, Batra PS, Bernal-Sprekelsen M, Beswick D, Bhattacharyya N, Chandra RK, Chang EH, Chiu A, Chowdhury N, Citardi MJ, Cohen NA, Conley DB, DelGaudio J, Desrosiers M, Douglas R, Eloy JA, Fokkens WJ, Gray ST, Gudis DA, Hamilos DL, Han JK, Harvey R, Hellings P, Holbrook EH, Hopkins C, Hwang P, Javer AR, Jiang RS, Kennedy D, Kern R, Laidlaw T, Lal D, Lane A, Lee HM, Lee JT, Levy JM, Lin SY, Lund V, McMains KC, Metson R, Mullol J, Naclerio R, Oakley G, Otori N, Palmer JN, Parikh SR, Passali D, Patel Z, Peters A, Philpott C, Psaltis AJ, Ramakrishnan VR, Ramanathan M, Roh HJ, Rudmik L, Sacks R, Schlosser RJ, Sedaghat AR, Senior BA, Sindwani R, Smith K, Snidvongs K, Stewart M, Suh JD, Tan BK, Turner JH, van Drunen CM, Voegels R, Wang DY, Woodworth BA, Wormald PJ, Wright ED, Yan C, Zhang L, Zhou B. International consensus statement on allergy and rhinology: rhinosinusitis 2021. Int Forum Allergy Rhinol 2021; 11:213-739. [PMID: 33236525 DOI: 10.1002/alr.22741] [Citation(s) in RCA: 357] [Impact Index Per Article: 119.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023]
Abstract
I. EXECUTIVE SUMMARY BACKGROUND: The 5 years since the publication of the first International Consensus Statement on Allergy and Rhinology: Rhinosinusitis (ICAR-RS) has witnessed foundational progress in our understanding and treatment of rhinologic disease. These advances are reflected within the more than 40 new topics covered within the ICAR-RS-2021 as well as updates to the original 140 topics. This executive summary consolidates the evidence-based findings of the document. METHODS ICAR-RS presents over 180 topics in the forms of evidence-based reviews with recommendations (EBRRs), evidence-based reviews, and literature reviews. The highest grade structured recommendations of the EBRR sections are summarized in this executive summary. RESULTS ICAR-RS-2021 covers 22 topics regarding the medical management of RS, which are grade A/B and are presented in the executive summary. Additionally, 4 topics regarding the surgical management of RS are grade A/B and are presented in the executive summary. Finally, a comprehensive evidence-based management algorithm is provided. CONCLUSION This ICAR-RS-2021 executive summary provides a compilation of the evidence-based recommendations for medical and surgical treatment of the most common forms of RS.
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Affiliation(s)
| | | | | | | | | | - Amber U Luong
- University of Texas Medical School at Houston, Houston, TX
| | | | - Zachary Soler
- Medical University of South Carolina, Charleston, SC
| | - Kevin C Welch
- Feinberg School of Medicine, Northwestern University, Chicago, IL
| | | | | | | | | | - Claus Bachert
- Ghent University, Ghent, Belgium.,Karolinska Institute, Stockholm, Sweden.,Sun Yatsen University, Gangzhou, China
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - David A Gudis
- Columbia University Irving Medical Center, New York, NY
| | - Daniel L Hamilos
- Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | | | - Richard Harvey
- University of New South Wales and Macquarie University, Sydney, New South Wales, Australia
| | | | | | | | | | - Amin R Javer
- University of British Columbia, Vancouver, British Columbia, Canada
| | | | | | | | | | | | | | | | | | | | | | - Valerie Lund
- Royal National Throat Nose and Ear Hospital, UCLH, London, UK
| | - Kevin C McMains
- Uniformed Services University of Health Sciences, San Antonio, TX
| | | | - Joaquim Mullol
- IDIBAPS Hospital Clinic, University of Barcelona, Barcelona, Spain
| | | | | | | | | | | | | | | | | | | | - Alkis J Psaltis
- University of Adelaide, Adelaide, South Australia, Australia
| | | | | | | | - Luke Rudmik
- University of Calgary, Calgary, Alberta, Canada
| | - Raymond Sacks
- University of New South Wales, Sydney, New South Wales, Australia
| | | | | | | | | | | | | | | | | | | | | | | | | | - De Yun Wang
- National University of Singapore, Singapore, Singapore
| | | | | | | | - Carol Yan
- University of California San Diego, La Jolla, CA
| | - Luo Zhang
- Capital Medical University, Beijing, China
| | - Bing Zhou
- Capital Medical University, Beijing, China
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Different Modulatory Effects of Four Methicillin-Resistant Staphylococcus aureus Clones on MG-63 Osteoblast-Like Cells. Biomolecules 2021; 11:biom11010072. [PMID: 33430251 PMCID: PMC7825699 DOI: 10.3390/biom11010072] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/30/2020] [Accepted: 12/29/2020] [Indexed: 01/18/2023] Open
Abstract
Staphylococcus aureus is a Gram-positive bacterium responsible for a variety of mild to life-threatening infections including bone infections such as osteomyelitis. This bacterium is able to invade and persist within non-professional phagocytic cells such as osteoblasts. In the present study, four different S. aureus strains, namely, 2SA-ST239-III (ST239), 5SA-ST5-II (ST5), 10SA-ST228-I (ST228), and 14SA-ST22-IVh (ST22), were tested for their ability to modulate cell viability in MG-63 osteoblast-like cells following successful invasion and persistence. Methicillin-sensitive S. aureus (MSSA) ATCC-12598-ST30 (ST30) was used as control strain. Despite being proven that ST30, ST239, and ST22 have a similar ability to internalize and persist in MG-63 osteoblast-like cells under our experimental conditions, we demonstrated that the observed decrease in cell viability was due to the different behavior of the considered strains, rather than the number of intracellular bacteria. We focused our attention on different biochemical cell functions related to inflammation, cell metabolism, and oxidative stress during osteoblast infections. We were able to show the following: (1) ST30 and ST239 were the only two clones able to persist and maintain their number in the hostile environment of the cell during the entire period of infection; (2) ST239 was the only clone able to significantly increase gene expression (3 and 24 h post-infection (p.i.)) and protein secretion (24 h p.i.) of both interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-α) in MG-63 osteoblast-like cells; (3) the same clone determined a significant up-regulation of the transforming growth factorbeta 1 (TGF-β1) and of the metabolic marker glyceraldehyde 3-phosphate dehydrogenase (GAPDH) mRNAs at 24 h p.i.; and (4) neither the MSSA nor the four methicillin-resistant S. aureus (MRSA) strains induced oxidative stress phenomena in MG-63 cells, although a high degree of variability was observed for the different clones with regard to the expression pattern of nuclear factor E2-related factor 2 (Nrf2) and its downstream gene heme oxygenase 1 (HO-1) activation. Our results may pave the way for an approach to S. aureus-induced damage, moving towards individualized therapeutic strategies that take into account the differences between MSSA and MRSA as well as the distinctive features of the different clones. This approach is based on a change of paradigm in antibiotic therapy involving a case-based use of molecules able to counteract pro-inflammatory cytokines activity such as selective cytokine signaling inhibitors (IL-6, TNF-α).
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Nickol ME, Lyle SM, Dennehy B, Kindrachuk J. Dysregulated Host Responses Underlie 2009 Pandemic Influenza-Methicillin Resistant Staphylococcus aureus Coinfection Pathogenesis at the Alveolar-Capillary Barrier. Cells 2020; 9:E2472. [PMID: 33202895 PMCID: PMC7696554 DOI: 10.3390/cells9112472] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/11/2020] [Accepted: 11/11/2020] [Indexed: 02/04/2023] Open
Abstract
Influenza viruses are a continual public health concern resulting in 3-5 million severe infections annually despite intense vaccination campaigns and messaging. Secondary bacterial infections, including Staphylococcus aureus, result in increased morbidity and mortality during seasonal epidemics and pandemics. While coinfections can result in deleterious pathologic consequences, including alveolar-capillary barrier disruption, the underlying mechanisms are poorly understood. We have characterized host- and pathogen-centric mechanisms contributing to influenza-bacterial coinfections in a primary cell coculture model of the alveolar-capillary barrier. Using 2009 pandemic influenza (pH1N1) and methicillin-resistant S. aureus (MRSA), we demonstrate that coinfection resulted in dysregulated barrier function. Preinfection with pH1N1 resulted in modulation of adhesion- and invasion-associated MRSA virulence factors during lag phase bacterial replication. Host response modulation in coinfected alveolar epithelial cells were primarily related to TLR- and inflammatory response-mediated cell signaling events. While less extensive in cocultured endothelial cells, coinfection resulted in changes to cellular stress response- and TLR-related signaling events. Analysis of cytokine expression suggested that cytokine secretion might play an important role in coinfection pathogenesis. Taken together, we demonstrate that coinfection pathogenesis is related to complex host- and pathogen-mediated events impacting both epithelial and endothelial cell regulation at the alveolar-capillary barrier.
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Affiliation(s)
- Michaela E. Nickol
- Laboratory of Emerging and Re-Emerging Viruses, Department of Medical Microbiology, University of Manitoba, Winnipeg, MB R3E 0J9, Canada; (M.E.N.); (S.M.L.); (B.D.)
| | - Sarah M. Lyle
- Laboratory of Emerging and Re-Emerging Viruses, Department of Medical Microbiology, University of Manitoba, Winnipeg, MB R3E 0J9, Canada; (M.E.N.); (S.M.L.); (B.D.)
| | - Brendan Dennehy
- Laboratory of Emerging and Re-Emerging Viruses, Department of Medical Microbiology, University of Manitoba, Winnipeg, MB R3E 0J9, Canada; (M.E.N.); (S.M.L.); (B.D.)
| | - Jason Kindrachuk
- Laboratory of Emerging and Re-Emerging Viruses, Department of Medical Microbiology, University of Manitoba, Winnipeg, MB R3E 0J9, Canada; (M.E.N.); (S.M.L.); (B.D.)
- Vaccine and Infectious Disease Organization-International Vaccine Centre, University of Saskatchewan, Saskatoon, SK S7N 5E3, Canada
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6
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Abstract
Cell-mediated immunity seems to be critical for prevention and resolution of invasive S. aureus infections, but an imbalance in this immunity may also produce SIRS and death or an inadequate protective response with prolonged bacteremia and death. This dysregulation is likely at the heart of mortality and severe disease in humans. Anti-toxin antibodies may also come into play in reducing the severity of S. aureus infections, but these antibodies might also address superantigen-induced immune dysregulation. Thus, while changing intrinsic T cell responses may be therapeutically difficult, monoclonal antibodies against superantigens may have utility in addressing dysfunctional immune responses to S. aureus. The models above are hypotheses for examining, and potentially dramatically improving immune response to and safety of S. aureus vaccines.
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Duval R, Bui LC, Mathieu C, Nian Q, Berthelet J, Xu X, Haddad I, Vinh J, Dupret JM, Busi F, Guidez F, Chomienne C, Rodrigues-Lima F. Benzoquinone, a leukemogenic metabolite of benzene, catalytically inhibits the protein tyrosine phosphatase PTPN2 and alters STAT1 signaling. J Biol Chem 2019; 294:12483-12494. [PMID: 31248982 DOI: 10.1074/jbc.ra119.008666] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/21/2019] [Indexed: 12/12/2022] Open
Abstract
Protein tyrosine phosphatase, nonreceptor type 2 (PTPN2) is mainly expressed in hematopoietic cells, where it negatively regulates growth factor and cytokine signaling. PTPN2 is an important regulator of hematopoiesis and immune/inflammatory responses, as evidenced by loss-of-function mutations of PTPN2 in leukemia and lymphoma and knockout mice studies. Benzene is an environmental chemical that causes hematological malignancies, and its hematotoxicity arises from its bioactivation in the bone marrow to electrophilic metabolites, notably 1,4-benzoquinone, a major hematotoxic benzene metabolite. Although the molecular bases for benzene-induced leukemia are not well-understood, it has been suggested that benzene metabolites alter topoisomerases II function and thereby significantly contribute to leukemogenesis. However, several studies indicate that benzene and its hematotoxic metabolites may also promote the leukemogenic process by reacting with other targets and pathways. Interestingly, alterations of cell-signaling pathways, such as Janus kinase (JAK)/signal transducer and activator of transcription (STAT), have been proposed to contribute to benzene-induced malignant blood diseases. We show here that 1,4-benzoquinone directly impairs PTPN2 activity. Mechanistic and kinetic experiments with purified human PTPN2 indicated that this impairment results from the irreversible formation (k inact = 645 m-1·s-1) of a covalent 1,4-benzoquinone adduct at the catalytic cysteine residue of the enzyme. Accordingly, cell experiments revealed that 1,4-benzoquinone exposure irreversibly inhibits cellular PTPN2 and concomitantly increases tyrosine phosphorylation of STAT1 and expression of STAT1-regulated genes. Our results provide molecular and cellular evidence that 1,4-benzoquinone covalently modifies key signaling enzymes, implicating it in benzene-induced malignant blood diseases.
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Affiliation(s)
- Romain Duval
- Université de Paris, BFA, UMR 8251, CNRS, F-75013 Paris, France
| | - Linh-Chi Bui
- Université de Paris, BFA, UMR 8251, CNRS, F-75013 Paris, France
| | - Cécile Mathieu
- Université de Paris, BFA, UMR 8251, CNRS, F-75013 Paris, France
| | - Qing Nian
- Université de Paris, BFA, UMR 8251, CNRS, F-75013 Paris, France
| | | | - Ximing Xu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - Iman Haddad
- ESPCI Paris, PSL Université, USR 3149, CNRS, F-75005 Paris, France
| | - Joelle Vinh
- ESPCI Paris, PSL Université, USR 3149, CNRS, F-75005 Paris, France
| | | | - Florent Busi
- Université de Paris, BFA, UMR 8251, CNRS, F-75013 Paris, France
| | - Fabien Guidez
- Université de Paris, Institut de Recherche Saint-Louis, UMRS 1131, INSERM, F-75010 Paris, France
| | - Christine Chomienne
- Université de Paris, Institut de Recherche Saint-Louis, UMRS 1131, INSERM, F-75010 Paris, France; Service de Biologie Cellulaire, Assistance Publique des Hôpitaux de Paris (AP-HP), Hôpital Saint Louis, F-75010 Paris, France
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8
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Teufelberger AR, Bröker BM, Krysko DV, Bachert C, Krysko O. Staphylococcus aureus Orchestrates Type 2 Airway Diseases. Trends Mol Med 2019; 25:696-707. [PMID: 31176612 DOI: 10.1016/j.molmed.2019.05.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/08/2019] [Accepted: 05/10/2019] [Indexed: 12/15/2022]
Abstract
Staphylococcus aureus persistently colonizes the nostrils of one-third of the population but colonizes the sinus mucosa in up to 90% of patients with nasal polyps, implying a possible role in airway disease. Recent findings give new mechanistic insights into the ability of S. aureus to trigger type 2 inflammatory responses in the upper and lower airways. This novel concept of a S. aureus-driven chronic airway inflammatory disease suggests a new understanding of disease triggers. This article reviews the role of S. aureus in chronic inflammatory airway diseases and discusses possible therapeutic approaches to target S. aureus.
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Affiliation(s)
- Andrea R Teufelberger
- Upper Airways Research Laboratory, Department of Otorhinolaryngology, Ghent University, Ghent, Belgium
| | - Barbara M Bröker
- Department of Immunology, University Medicine Greifswald, Greifswald, Germany
| | - Dmitri V Krysko
- Institute of Biology and Biomedicine, National Research Lobachevsky State University of Nizhni Novgorod, Nizhny Novgorod, Russia; Cell Death Investigation and Therapy Laboratory, Department of Human Structure and Repair, Ghent University, Ghent, Belgium; Cancer Research Institute Ghent, Ghent, Belgium
| | - Claus Bachert
- Upper Airways Research Laboratory, Department of Otorhinolaryngology, Ghent University, Ghent, Belgium; Division of ENT Diseases, CLINTEC, Karolinska Institute, Stockholm, Sweden
| | - Olga Krysko
- Upper Airways Research Laboratory, Department of Otorhinolaryngology, Ghent University, Ghent, Belgium.
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Tamaki R, Takahashi M, Tai S, Makioka-Itaya Y, Ijich T, Inoue R. Exploratory investigation of the anti-inflammatory effects of RNase A-treated Enterococcus faecalis strain EC-12. Biosci Biotechnol Biochem 2019; 83:1343-1353. [PMID: 31038020 DOI: 10.1080/09168451.2019.1608805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
We previously reported that the major component of Enterococcus faecalis strain EC-12 (EC-12) inducing production of Interleukin (IL)-12 in mouse/human immune cells was its own RNA. This study aimed to investigate if RNase A-treated EC-12 could also produce IL-10 and to evaluate the possible effects of IL-10 produced by RNase A-treated EC-12. Three experiments were conducted: (1) Assessment of the effect of RNase A-treated EC-12 on transcriptome profiles and biological pathways in human peripheral blood mononuclear cells; (2) Determination of cytokine concentration in its culture supernatants; and (3) Supplementation of RNase A-treated EC-12 (RN) to mice with dextran sodium sulfate-induced colitis. Treatment of EC-12 with RNase A inhibited inflammatory response including the potency to induce IL-12 production, while it did not affect IL-10 production (Experiment 1 and 2). Colitis symptoms were milder in RN than in PBS-supplemented controls (Experiment 3). RNase A-treated EC-12 likely became an anti-inflammatory agent primarily inducing IL-10 production.
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Affiliation(s)
- Ryuji Tamaki
- a Laboratory of Animal Science , Kyoto Prefectural University , Kyoto , Japan
| | - Mio Takahashi
- a Laboratory of Animal Science , Kyoto Prefectural University , Kyoto , Japan
| | - Shoya Tai
- a Laboratory of Animal Science , Kyoto Prefectural University , Kyoto , Japan
| | | | - Tetsuo Ijich
- b Life Science , Combi Corporation , Saitama , Japan
| | - Ryo Inoue
- a Laboratory of Animal Science , Kyoto Prefectural University , Kyoto , Japan
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10
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Trevino SR, Klimko CP, Reed MC, Aponte-Cuadrado MJ, Hunter M, Shoe JL, Meyer JR, Dankmeyer JL, Biryukov SS, Quirk AV, Fritts KA, Kern SJ, Fetterer DP, Kohler LJ, Toothman RG, Bozue JA, Schellhase CW, Kreiselmeier N, Daye SP, Welkos SL, Soffler C, Worsham PL, Waag DM, Amemiya K, Cote CK. Disease progression in mice exposed to low-doses of aerosolized clinical isolates of Burkholderia pseudomallei. PLoS One 2018; 13:e0208277. [PMID: 30500862 PMCID: PMC6267979 DOI: 10.1371/journal.pone.0208277] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 11/14/2018] [Indexed: 01/02/2023] Open
Abstract
Mouse models have been essential to generate supporting data for the research of infectious diseases. Burkholderia pseudomallei, the etiological agent of melioidosis, has been studied using mouse models to investigate pathogenesis and efficacy of novel medical countermeasures to include both vaccines and therapeutics. Previous characterization of mouse models of melioidosis have demonstrated that BALB/c mice present with an acute infection, whereas C57BL/6 mice have shown a tendency to be more resistant to infection and may model chronic disease. In this study, either BALB/c or C57BL/6 mice were exposed to aerosolized human clinical isolates of B. pseudomallei. The bacterial strains included HBPUB10134a (virulent isolate from Thailand), MSHR5855 (virulent isolate from Australia), and 1106a (relatively attenuated isolate from Thailand). The LD50 values were calculated and serial sample collections were performed in order to examine the bacterial burdens in tissues, histopathological features of disease, and the immune response mounted by the mice after exposure to aerosolized B. pseudomallei. These data will be important when utilizing these models for testing novel medical countermeasures. Additionally, by comparing highly virulent strains with attenuated isolates, we hope to better understand the complex disease pathogenesis associated with this bacterium.
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Affiliation(s)
- Sylvia R. Trevino
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Christopher P. Klimko
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Matthew C. Reed
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Michael J. Aponte-Cuadrado
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Melissa Hunter
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Jennifer L. Shoe
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Joshua R. Meyer
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Jennifer L. Dankmeyer
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Sergei S. Biryukov
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Avery V. Quirk
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Kristen A. Fritts
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Steven J. Kern
- BioStatisitics Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - David P. Fetterer
- BioStatisitics Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Lara J. Kohler
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Ronald G. Toothman
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Joel A. Bozue
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Christopher W. Schellhase
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Norman Kreiselmeier
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Sharon P. Daye
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Susan L. Welkos
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Carl Soffler
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Patricia L. Worsham
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - David M. Waag
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Kei Amemiya
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
| | - Christopher K. Cote
- Bacteriology Division, United States Army Medical Research Institute of Infectious Diseases (USAMRIID), Fort Detrick, Frederick, MD, United States of America
- * E-mail:
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11
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Maina IW, Patel NN, Cohen NA. Understanding the Role of Biofilms and Superantigens in Chronic Rhinosinusitis. CURRENT OTORHINOLARYNGOLOGY REPORTS 2018; 6:253-262. [PMID: 30859016 PMCID: PMC6407876 DOI: 10.1007/s40136-018-0212-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW This review explores recent discoveries in our understanding of how biofilms and superantigens contribute to the pathogenesis of chronic rhinosinusitis (CRS). It also examines clinical implications and novel treatment approaches for biofilm associated CRS. RECENT FINDINGS While the role of biofilms in CRS has been studied for 14 years, research interest has now turned toward elucidating new methods of biofilm detection, microbial diversity, and novel treatment approaches. Recent studies on biofilm superantigens aim to clarify the immunological mechanisms of upper airway inflammation, particularly the type-2 response seen in nasal polyposis. SUMMARY Biofilms are a topic of research interest for their role in the pathogenesis of chronic rhinosinusitis, particularly when they elute superantigens. New studies on this topic focus on the molecular and cellular mechanisms at play.
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Affiliation(s)
- Ivy W Maina
- Department of Otorhinolaryngology-Head and Neck Surgery, Division of Rhinology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA
- Philadelphia Veterans Affairs Medical Center, Philadelphia, PA
| | - Neil N Patel
- Department of Otorhinolaryngology-Head and Neck Surgery, Division of Rhinology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA
- Philadelphia Veterans Affairs Medical Center, Philadelphia, PA
| | - Noam A Cohen
- Department of Otorhinolaryngology-Head and Neck Surgery, Division of Rhinology, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA
- Philadelphia Veterans Affairs Medical Center, Philadelphia, PA
- Monell Chemical Senses Center, Philadelphia, PA
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12
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Epidermal Growth Factor Relieves Inflammatory Signals in Staphylococcus aureus-Treated Human Epidermal Keratinocytes and Atopic Dermatitis-Like Skin Lesions in Nc/Nga Mice. BIOMED RESEARCH INTERNATIONAL 2018; 2018:9439182. [PMID: 29862299 PMCID: PMC5976919 DOI: 10.1155/2018/9439182] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 12/04/2017] [Accepted: 12/24/2017] [Indexed: 01/13/2023]
Abstract
Atopic dermatitis (AD) is a chronic inflammatory skin disease with a defective immunologic barrier, which is aggravated by Staphylococcus aureus (S. aureus). Epidermal growth factor (EGF) suppresses inflammation and EGF receptor inhibitors increased S. aureus colonization. Thus, we investigated the potential roles of EGF in AD, which is often aggravated by S. aureus. We determined how EGF affects the expression of inflammatory cytokines and antimicrobial peptides (AMPs) in human epidermal keratinocytes (HEKs) treated with heat-inactivated S. aureus (HKSA) in vitro and 2,4-dinitrochlorobenzene-induced AD-like skin lesions in Nc/Nga mice. HKSA increased IL-6 and NFκB expression; EGF treatment had the opposite effect. EGF increased human β defensin-2 expression in HEKs and murine β defensin-3 in mice. In mice, both EGF and pimecrolimus groups showed less erythema with significantly reduced inflammation and decreased expression of thymic stromal lymphopoietin. EGF relieved S. aureus-induced inflammation and AD-like skin lesions in Nc/Nga mice. Therefore, EGF could be a potential topical treatment for AD.
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De Rudder C, Calatayud Arroyo M, Lebeer S, Van de Wiele T. Modelling upper respiratory tract diseases: getting grips on host-microbe interactions in chronic rhinosinusitis using in vitro technologies. MICROBIOME 2018; 6:75. [PMID: 29690931 PMCID: PMC5913889 DOI: 10.1186/s40168-018-0462-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 04/17/2018] [Indexed: 05/27/2023]
Abstract
Chronic rhinosinusitis (CRS) is a chronic inflammation of the mucosa of the nose and paranasal sinuses affecting approximately 11% of the adult population in Europe. Inadequate immune responses, as well as a dysbiosis of the sinonasal microbiota, have been put forward as aetiological factors of the disease. However, despite the prevalence of this disease, there is no consensus on the aetiology and mechanisms of pathogenesis of CRS. Further research requires in vitro models mimicking the healthy and diseased host environment along with the sinonasal microbiota. This review aims to provide an overview of CRS model systems and proposes in vitro modelling strategies to conduct mechanistic research in an ecological framework on the sinonasal microbiota and its interactions with the host in health and CRS.
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Affiliation(s)
- Charlotte De Rudder
- Center for Microbial Ecology and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Marta Calatayud Arroyo
- Center for Microbial Ecology and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium
| | - Sarah Lebeer
- Research Group of Environmental Ecology and Applied Microbiology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Tom Van de Wiele
- Center for Microbial Ecology and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000, Ghent, Belgium.
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14
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Li Z, Zeppa JJ, Hancock MA, McCormick JK, Doherty TM, Hendy GN, Madrenas J. Staphylococcal Superantigens Use LAMA2 as a Coreceptor To Activate T Cells. THE JOURNAL OF IMMUNOLOGY 2018; 200:1471-1479. [PMID: 29335257 DOI: 10.4049/jimmunol.1701212] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 12/15/2017] [Indexed: 01/26/2023]
Abstract
Canonical Ag-dependent TCR signaling relies on activation of the src-family tyrosine kinase LCK. However, staphylococcal superantigens can trigger TCR signaling by activating an alternative pathway that is independent of LCK and utilizes a Gα11-containing G protein-coupled receptor (GPCR) leading to PLCβ activation. The molecules linking the superantigen to GPCR signaling are unknown. Using the ligand-receptor capture technology LRC-TriCEPS, we identified LAMA2, the α2 subunit of the extracellular matrix protein laminin, as the coreceptor for staphylococcal superantigens. Complementary binding assays (ELISA, pull-downs, and surface plasmon resonance) provided direct evidence of the interaction between staphylococcal enterotoxin E and LAMA2. Through its G4 domain, LAMA2 mediated the LCK-independent T cell activation by these toxins. Such a coreceptor role of LAMA2 involved a GPCR of the calcium-sensing receptor type because the selective antagonist NPS 2143 inhibited superantigen-induced T cell activation in vitro and delayed the effects of toxic shock syndrome in vivo. Collectively, our data identify LAMA2 as a target of antagonists of staphylococcal superantigens to treat toxic shock syndrome.
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Affiliation(s)
- Zhigang Li
- Microbiome and Disease Tolerance Centre, Department of Microbiology and Immunology, McGill University, Montreal, Quebec H3A 2B4, Canada
| | - Joseph J Zeppa
- Department of Microbiology and Immunology, Schulich School of Medicine and Dentistry, Western University, London, Ontario N6A 5C1, Canada
| | - Mark A Hancock
- Surface Plasmon Resonance-Mass Spectrometry Facility, McGill University, Montreal, Quebec H3G 1Y6, Canada
| | - John K McCormick
- Department of Microbiology and Immunology, Schulich School of Medicine and Dentistry, Western University, London, Ontario N6A 5C1, Canada.,Lawson Health Research Institute, London, Ontario N6A 5C1, Canada
| | - Terence M Doherty
- Los Angeles Biomedical Research Institute at Harbor-University of California Los Angeles Medical Center, Torrance, CA 90277; and
| | - Geoffrey N Hendy
- Metabolic Disorders and Complications, Research Institute of the McGill University Health Centre, and Departments of Medicine, Physiology, and Human Genetics, McGill University, Montreal, Quebec H4A 3J1, Canada
| | - Joaquín Madrenas
- Microbiome and Disease Tolerance Centre, Department of Microbiology and Immunology, McGill University, Montreal, Quebec H3A 2B4, Canada; .,Los Angeles Biomedical Research Institute at Harbor-University of California Los Angeles Medical Center, Torrance, CA 90277; and
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15
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Park YJ, Lee HK. The Role of Skin and Orogenital Microbiota in Protective Immunity and Chronic Immune-Mediated Inflammatory Disease. Front Immunol 2018; 8:1955. [PMID: 29375574 PMCID: PMC5767596 DOI: 10.3389/fimmu.2017.01955] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 12/19/2017] [Indexed: 12/11/2022] Open
Abstract
The skin and orogenital mucosae, which constitute complex protective barriers against infection and injuries, are not only the first to come into contact with pathogens but are also colonized by a set of microorganisms that are essential to maintain a healthy physiological environment. Using 16S ribosomal RNA metagenomic sequencing, scientists recognized that the microorganism colonization has greater diversity and variability than previously assumed. These microorganisms, such as commensal bacteria, affect the host’s immune response against pathogens and modulate chronic inflammatory responses. Previously, a single pathogen was thought to cause a single disease, but current evidence suggests that dysbiosis of the tissue microbiota may underlie the disease status. Dysbiosis results in aberrant immune responses at the surface and furthermore, affects the systemic immune response. Hence, understanding the initial interaction between the barrier surface immune system and local microorganisms is important for understanding the overall systemic effects of the immune response. In this review, we describe current evidence for the basis of the interactions between pathogens, microbiota, and immune cells on surface barriers and offer explanations for how these interactions may lead to chronic inflammatory disorders.
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Affiliation(s)
- Young Joon Park
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea
| | - Heung Kyu Lee
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea.,KAIST Institute for Health Science and Technology, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea
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